Math Chapter Wise question with answer

Q01 If a and b are irrotational vectors then div () × a b is equal to – English · UP PGT 2021 Q02 If (((()))) n div r r 0 = then n is equal to English · UP PGT-2016 (02-02-2019) Q03 If ˆ ˆ ˆ 2 F x yi xzj yzk = + + = + + = + + = + +, then the value of div curl F is? English · PGT 2009 Q04 If f is a vector point function then grad (divf)= English · Rajasthan TGT 2016 Q05 If a is a differential vector point function, then div curl a = English · Rajasthan TGT 2013 Q06 If a and b are constant vectors, then × × div{(r a) b}is English · (GIC) PGT, 2015